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Leaf Wax Hydrogen Isotopes as a Hydroclimate Proxy in the Tropical Pacific

Ladd, S. Nemiah; Maloney, Ashley E.; Nelson, Daniel B.; Prebble, Matthew; Camperio, Giorgia; Sear, David A.; Hassall, Jonathan D.; Langdon, Peter G.; Sachs, Julian; Dubois, Nathalie


Hydrogen isotope ratios of sedimentary leaf waxes (delta^2 H_Wax values) are increasingly used to reconstruct past hydroclimate. Here, we add delta^2 H_Wax values from 19 lakes and four swamps on 15 tropical Pacific islands to an updated global compilation of published data from surface sediments and soils. Globally, there is a strong positive linear correlation between delta^2 H values of mean annual precipitation (delta^2 H_P values) and the leaf waxes n‐C_29 ‐alkane (R^2 = 0.74, n = 665) and...[Show more]

CollectionsANU Research Publications
Date published: 2021
Type: Journal article
Source: Journal of Geophysical Research: Biogeosciences
DOI: 10.1029/2020JG005891
Access Rights: Open Access


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